88 vs JTs: preflop equity

Dealt all in against each other, 88 takes 50.31% of the pot on average and JTs takes the other 49.69%.

88

50.31%

Wins 50.08%, ties 0.45%

JTs

49.69%

Wins 49.47%, ties 0.45%

Equity counts a tie as half a win. Exact over every board.

88 against JTs: the numbers

Exact preflop results for 88 against JTs, in percent
HandWinsTiesLosesEquity
8850.0810.45449.46550.308
JTs49.4650.45450.08149.692

One side is a pocket pair, the other is a suited hand. One hand holds a pair and the other holds two cards that both outrank it, which keeps the equity closer than most people expect.

This is close to even money, with 88 a little ahead. Ties are part of the picture: 0.45% of boards end in a split pot, and each side counts that as half a win.

In the ranking of all 169 starting hands, 88 is number 7 and JTs is number 45.

Boards behind the percentages: 41,095,296 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
8820,581,000187,00020,328,000
JTs20,328,000187,00020,581,000

The total is exact: 24 specific deals times 1,712,304 boards. The three counts are approximate, worked out from the percentages to five decimals and rounded to the nearest thousand.

88 against JTs read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
881.0121.9972.0220.988
JTs0.9882.0221.9971.012

In the last column, a pot-to-call ratio at or above the figure makes a call break even or better at this equity.

Who is ahead on which flops

Split by what the flop looks like, 88 peaks at 74.59% on low rainbow flops (nine high or lower) and bottoms out at 43.75% on rainbow flops topped by a ten or better. On rainbow flops topped by a ten or better, two-tone flops and monotone flops the numbers flip and JTs is the one ahead.

88 against JTs by flop texture, in percent
FlopShare of flops88 winsTiesJTs wins88 equity
Rainbow, ten or higher24.59543.6330.22956.13843.747
Rainbow, nine or lower6.31474.2640.65325.08374.591
Two-tone46.54547.8980.29651.80648.046
Monotone5.21248.4762.40449.12049.678
Paired17.33456.7690.53642.69557.037

A rainbow flop shows three suits, a two-tone flop repeats one suit, a monotone flop is a single suit, and a paired flop repeats a rank.

Compared with a random hand

A random hand would give 88 69.16% and JTs 57.53%. Against each other the change is -18.85 points for 88 and -7.84 for JTs.

88 and JTs here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
88, all flops50.30869.163-18.8550.72738
88, rainbow, ten or higher43.74769.163-25.4160.63252
88, rainbow, nine or lower74.59169.163+5.4281.07848
88, two-tone48.04669.163-21.1170.69468
88, monotone49.67869.163-19.4850.71827
88, paired57.03769.163-12.1260.82468
JTs, all flops49.69257.528-7.8360.86379
JTs, rainbow, ten or higher56.25357.528-1.2750.97784
JTs, rainbow, nine or lower25.40957.528-32.1190.44168
JTs, two-tone51.95457.528-5.5740.90311
JTs, monotone50.32257.528-7.2060.87474
JTs, paired42.96357.528-14.5650.74682

Does a shared suit matter?

Of the deals of this matchup, 12 share a suit (88 at 50.42%) and 12 do not (50.20%). The two rows differ by only 0.22 points, so suits barely change this matchup.

88 against JTs by suit overlap, in percent
DealsSpecific dealsShare of deals88 winsTiesJTs wins88 equity
Share a suit1250.0050.1680.49549.33750.415
No shared suit1250.0049.9950.41249.59350.201

How often this matchup comes up

Out of 1,624,350 ways to deal two seats two cards each, 24 are 88 in one seat and JTs in the other (0.0015%); with the seats swapped too, 48 (0.0030%).

A worked example

Put $100 each into a $200 pot and deal every board once: 88 averages $100.62 back, ahead of its $100 by $0.62, while JTs averages $99.38, short of its $100 by $0.62.

Per 1,000 deals: 88 wins about 501, JTs wins about 495, and about 4 end in a split pot.

The same matchup from the other side

Read it from the other side: JTs against 88 is the same matchup with the numbers swapped, so JTs holds 49.69% and 88 holds 50.31%. That address sends you back to this page.

Open the calculator with 8s8h against JdTd already entered, a deal with no shared suit, and change any card to try your own hand. The matchups after it each swap one hand for a nearby one in the ranking.

How this was computed

This is an exact count with no sampling. For the 24 ways to deal one 88 and one JTs without reusing a card, grouped by suit pattern, every one of the 1,712,304 possible boards is dealt and both seven-card hands are compared. A tie counts as half a win in the equity column, and each board is counted once under each of its ten three-card flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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